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Last modified by Xiaoling on 2023/05/26 14:19
From version 166.2
edited by Xiaoling
on 2022/11/14 11:41
Change comment: There is no comment for this version
To version 70.1
edited by Edwin Chen
on 2022/07/02 23:51
Change comment: There is no comment for this version

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Title
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1 -LA66 LoRaWAN Shield User Manual
1 +LA66 LoRaWAN Module
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 -
2 -
3 -**Table of Contents:**
4 -
1 +{{box cssClass="floatinginfobox" title="**Contents**"}}
5 5  {{toc/}}
3 +{{/box}}
6 6  
5 += LA66 LoRaWAN Module =
7 7  
7 +== What is LA66 LoRaWAN Module ==
8 8  
9 +(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
9 9  
10 -= 1.  LA66 LoRaWAN Shield =
11 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
11 11  
12 -
13 -== 1.1  Overview ==
14 -
15 -
16 -(((
17 -[[image:image-20220715000826-2.png||height="145" width="220"]]
18 -)))
19 -
20 -(((
21 -
22 -)))
23 -
24 -(((
25 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
26 -)))
27 -
28 -(((
29 -(((
30 -(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely.  This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
31 -)))
32 -)))
33 -
34 -(((
35 -(((
36 36  Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
37 -)))
38 -)))
39 39  
40 -(((
41 -(((
42 42  Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
43 -)))
44 -)))
45 45  
46 -(((
47 -(((
48 48  LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
49 -)))
50 -)))
51 51  
52 52  
20 +== Features ==
53 53  
54 -== 1.2  Features ==
55 -
56 -
57 -* Arduino Shield base on LA66 LoRaWAN module
58 -* Support LoRaWAN v1.0.3 protocol
22 +* Support LoRaWAN v1.0.4 protocol
59 59  * Support peer-to-peer protocol
60 60  * TCXO crystal to ensure RF performance on low temperature
61 -* SMA connector
25 +* SMD Antenna pad and i-pex antenna connector
62 62  * Available in different frequency LoRaWAN frequency bands.
63 63  * World-wide unique OTAA keys.
64 64  * AT Command via UART-TTL interface
... ... @@ -67,9 +67,8 @@
67 67  
68 68  
69 69  
70 -== 1.3  Specification ==
34 +== Specification ==
71 71  
72 -
73 73  * CPU: 32-bit 48 MHz
74 74  * Flash: 256KB
75 75  * RAM: 64KB
... ... @@ -88,357 +88,221 @@
88 88  * LoRa Rx current: <9 mA
89 89  * I/O Voltage: 3.3v
90 90  
54 +== AT Command ==
91 91  
56 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
92 92  
93 -== 1.4  Pin Mapping & LED ==
94 94  
59 +== Dimension ==
95 95  
96 -[[image:image-20220817085048-1.png||height="533" width="734"]]
61 +[[image:image-20220517072526-1.png]]
97 97  
98 98  
64 +== Pin Mapping ==
99 99  
100 -~1. The LED lights up red when there is an upstream data packet
101 -2. When the network is successfully connected, the green light will be on for 5 seconds
102 -3. Purple light on when receiving downlink data packets
66 +[[image:image-20220523101537-1.png]]
103 103  
68 +== Land Pattern ==
104 104  
105 -[[image:image-20220820112305-1.png||height="515" width="749"]]
70 +[[image:image-20220517072821-2.png]]
106 106  
107 107  
73 +== Part Number ==
108 108  
109 -== 1.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
75 +Part Number: **LA66-XXX**
110 110  
77 +**XX**: The default frequency band
111 111  
112 -**Show connection diagram：**
79 +* **AS923**: LoRaWAN AS923 band
80 +* **AU915**: LoRaWAN AU915 band
81 +* **EU433**: LoRaWAN EU433 band
82 +* **EU868**: LoRaWAN EU868 band
83 +* **KR920**: LoRaWAN KR920 band
84 +* **US915**: LoRaWAN US915 band
85 +* **IN865**: LoRaWAN IN865 band
86 +* **CN470**: LoRaWAN CN470 band
87 +* **PP**: Peer to Peer LoRa Protocol
113 113  
89 += LA66 LoRaWAN Shield =
114 114  
115 -[[image:image-20220723170210-2.png||height="908" width="681"]]
91 +LA66 LoRaWAN Shield is the Arduino Breakout PCB to fast test the features of LA66 module and turn Arduino to support LoRaWAN.
116 116  
93 +== Pin Mapping & LED ==
117 117  
95 +== Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
118 118  
119 -(% style="color:blue" %)**1.  open Arduino IDE**
97 +== Example: Join TTN network and send an uplink message, get downlink message. ==
120 120  
99 +== Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
121 121  
122 -[[image:image-20220723170545-4.png]]
101 +== Upgrade Firmware of LA66 LoRaWAN Shield ==
123 123  
103 +=== what needs to be used ===
124 124  
105 +1.LA66 LoRaWAN Shield that needs to be upgraded
125 125  
126 -(% style="color:blue" %)**2.  Open project**
107 +2.Arduino
127 127  
109 +3.USB TO TTL
128 128  
129 -LA66-LoRaWAN-shield-AT-command-via-Arduino-UNO source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
111 +[[image:image-20220602100052-2.png]]
130 130  
131 -[[image:image-20220726135239-1.png]]
113 +=== Wiring Schematic ===
132 132  
115 +[[image:image-20220602101311-3.png]]
133 133  
117 +LA66 LoRaWAN Shield  >>>>>>>>>>>>USB TTL
134 134  
135 -(% style="color:blue" %)**3.  Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload**
119 +GND  >>>>>>>>>>>>GND
136 136  
121 +TXD  >>>>>>>>>>>>TXD
137 137  
138 -[[image:image-20220726135356-2.png]]
123 +RXD  >>>>>>>>>>>>RXD
139 139  
125 +JP6 of LA66 LoRaWAN Shield needs to be connected with yellow jumper cap
140 140  
127 +Connect to the PC after connecting the wires
141 141  
142 -(% style="color:blue" %)**4.  After the upload is successful, open the serial port monitoring and send the AT command**
129 +[[image:image-20220602102240-4.png]]
143 143  
131 +=== Upgrade steps ===
144 144  
145 -[[image:image-20220723172235-7.png||height="480" width="1027"]]
133 +==== Dial the SW1 of the LA66 LoRaWAN Shield to the ISP's location as shown in the figure below ====
146 146  
135 +[[image:image-20220602102824-5.png]]
147 147  
137 +==== Press the RST switch on the LA66 LoRaWAN Shield once ====
148 148  
149 -== 1.6  Example: Join TTN network and send an uplink message, get downlink message. ==
139 +[[image:image-20220602104701-12.png]]
150 150  
141 +==== Open the upgrade application software ====
151 151  
152 -(% style="color:blue" %)**1.  Open project**
143 +Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]
153 153  
154 -
155 -Join-TTN-network source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0 >>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
156 -
157 -
158 -[[image:image-20220723172502-8.png]]
159 -
160 -
161 -
162 -(% style="color:blue" %)**2.  Same steps as 1.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
163 -
164 -
165 -[[image:image-20220723172938-9.png||height="652" width="1050"]]
166 -
167 -
168 -
169 -== 1.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED. ==
170 -
171 -
172 -(% style="color:blue" %)**1.  Open project**
173 -
174 -
175 -Log-Temperature-Sensor-and-send-data-to-TTN source code link: [[https:~~/~~/www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0>>https://www.dropbox.com/sh/hgtycj0go4tka2r/AAACRRIRriMAudB2m3ThH7Sba?dl=0]]
176 -
177 -
178 -[[image:image-20220723173341-10.png||height="581" width="1014"]]
179 -
180 -
181 -
182 -(% style="color:blue" %)**2.  Same steps as 2.5,after opening the serial port monitoring, it will automatically connect to the network and send packets**
183 -
184 -
185 -[[image:image-20220723173950-11.png||height="665" width="1012"]]
186 -
187 -
188 -
189 -
190 -
191 -(% style="color:blue" %)**3.  Integration into Node-red via TTNV3**
192 -
193 -
194 -For the usage of Node-RED, please refer to: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]
195 -
196 -
197 -[[image:image-20220723175700-12.png||height="602" width="995"]]
198 -
199 -
200 -
201 -== 1.8  Example: How to join helium ==
202 -
203 -
204 -(% style="color:blue" %)**1.  Create a new device.**
205 -
206 -
207 -[[image:image-20220907165500-1.png||height="464" width="940"]]
208 -
209 -
210 -
211 -(% style="color:blue" %)**2.  Save the device after filling in the necessary information.**
212 -
213 -
214 -[[image:image-20220907165837-2.png||height="375" width="809"]]
215 -
216 -
217 -
218 -(% style="color:blue" %)**3.  Use AT commands.**
219 -
220 -
221 -[[image:image-20220602100052-2.png||height="385" width="600"]]
222 -
223 -
224 -
225 -(% style="color:#0000ff" %)**4.  Use command AT+CFG to get device configuration**
226 -
227 -
228 -[[image:image-20220907170308-3.png||height="556" width="617"]]
229 -
230 -
231 -
232 -(% style="color:blue" %)**5.  Network successfully.**
233 -
234 -
235 -[[image:image-20220907170436-4.png]]
236 -
237 -
238 -
239 -(% style="color:blue" %)**6.  Send uplink using command**
240 -
241 -
242 -[[image:image-20220912084334-1.png]]
243 -
244 -
245 -[[image:image-20220912084412-3.png]]
246 -
247 -
248 -
249 -[[image:image-20220907170744-6.png||height="242" width="798"]]
250 -
251 -
252 -
253 -== 1.9  Upgrade Firmware of LA66 LoRaWAN Shield ==
254 -
255 -
256 -=== 1.9.1  Items needed for update ===
257 -
258 -
259 -1. LA66 LoRaWAN Shield
260 -1. Arduino
261 -1. USB TO TTL Adapter
262 -
263 -[[image:image-20220602100052-2.png||height="385" width="600"]]
264 -
265 -
266 -
267 -=== 1.9.2  Connection ===
268 -
269 -
270 -[[image:image-20220602101311-3.png||height="276" width="600"]]
271 -
272 -
273 -(((
274 -(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
275 -)))
276 -
277 -(((
278 -(% style="background-color:yellow" %)**GND  <-> GND
279 -TXD  <->  TXD
280 -RXD  <->  RXD**
281 -)))
282 -
283 -
284 -Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
285 -
286 -Connect USB TTL Adapter to PC after connecting the wires
287 -
288 -
289 -[[image:image-20220602102240-4.png||height="304" width="600"]]
290 -
291 -
292 -
293 -=== 1.9.3  Upgrade steps ===
294 -
295 -
296 -
297 -==== (% style="color:blue" %)**1.  Switch SW1 to put in ISP position**(%%) ====
298 -
299 -
300 -[[image:image-20220602102824-5.png||height="306" width="600"]]
301 -
302 -
303 -
304 -
305 -==== (% style="color:blue" %)**2.  Press the RST switch once**(%%) ====
306 -
307 -
308 -[[image:image-20220817085447-1.png]]
309 -
310 -
311 -
312 -
313 -==== (% style="color:blue" %)**3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade**(%%) ====
314 -
315 -
316 -
317 -(((
318 -(% style="color:blue" %)**1.  Software download link:  **(%%)**[[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]**
319 -)))
320 -
321 -
322 322  [[image:image-20220602103227-6.png]]
323 323  
324 -
325 325  [[image:image-20220602103357-7.png]]
326 326  
149 +===== Select the COM port corresponding to USB TTL =====
327 327  
328 -
329 -(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
330 -(% style="color:blue" %)**2.  Select the COM port corresponding to USB TTL**
331 -
332 -
333 333  [[image:image-20220602103844-8.png]]
334 334  
153 +===== Select the bin file to burn =====
335 335  
336 -
337 -(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
338 -(% style="color:blue" %)**3.  Select the bin file to burn**
339 -
340 -
341 341  [[image:image-20220602104144-9.png]]
342 342  
343 -
344 344  [[image:image-20220602104251-10.png]]
345 345  
346 -
347 347  [[image:image-20220602104402-11.png]]
348 348  
161 +===== Click to start the download =====
349 349  
163 +[[image:image-20220602104923-13.png]]
350 350  
351 -(% class="wikigeneratedid" id="HClicktostartthedownload" %)
352 -(% style="color:blue" %)**4.  Click to start the download**
165 +===== The following figure appears to prove that the burning is in progress =====
353 353  
167 +[[image:image-20220602104948-14.png]]
354 354  
355 -[[image:image-20220602104923-13.png]]
169 +===== The following picture appears to prove that the burning is successful =====
356 356  
171 +[[image:image-20220602105251-15.png]]
357 357  
173 += LA66 USB LoRaWAN Adapter =
358 358  
359 -(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
360 -(% style="color:blue" %)**5.  Check update process**
175 +LA66 USB LoRaWAN Adapter is the USB Adapter for LA66, it combines a USB TTL Chip and LA66 module which can easy to test the LoRaWAN feature by using PC or embedded device which has USB Interface.
361 361  
177 +Before use, please make sure that the computer has installed the CP2102 driver
362 362  
363 -[[image:image-20220602104948-14.png]]
179 +== Pin Mapping & LED ==
364 364  
181 +== Example Send & Get Messages via LoRaWAN in PC ==
365 365  
183 +Connect the LA66 LoRa Shield to the PC
366 366  
367 -(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
368 -(% style="color:blue" %)**The following picture shows that the burning is successful**
185 +[[image:image-20220602171217-1.png||height="615" width="915"]]
369 369  
187 +Open the serial port tool
370 370  
371 -[[image:image-20220602105251-15.png]]
189 +[[image:image-20220602161617-8.png]]
372 372  
191 +[[image:image-20220602161718-9.png||height="529" width="927"]]
373 373  
193 +Press the reset switch RST on the LA66 LoRa Shield.
374 374  
375 -= 2.  FAQ =
195 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
376 376  
197 +[[image:image-20220602161935-10.png]]
377 377  
378 -== 2.1  How to Compile Source Code for LA66? ==
199 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
379 379  
201 +example: AT+SENDB=01,02,8,05820802581ea0a5
380 380  
381 -Compile and Upload Code to ASR6601 Platform ：[[Instruction>>Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Module.Compile and Upload Code to ASR6601 Platform.WebHome]]
203 +[[image:image-20220602162157-11.png]]
382 382  
205 +Check to see if TTN received the message
383 383  
207 +[[image:image-20220602162331-12.png||height="547" width="1044"]]
384 384  
385 -== 2.2  Where to find Peer-to-Peer firmware of LA66? ==
209 +== Example Send & Get Messages via LoRaWAN in RPi ==
386 386  
211 +Connect the LA66 LoRa Shield to the RPI
387 387  
388 -Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:.Instruction for LA66 Peer to Peer firmware.WebHome]]
213 +[[image:image-20220602171233-2.png||height="592" width="881"]]
389 389  
215 +Log in to the RPI's terminal and connect to the serial port
390 390  
217 +[[image:image-20220602153146-3.png]]
391 391  
392 -= 3.  Order Info =
219 +Press the reset switch RST on the LA66 LoRa Shield.
220 +The following picture appears to prove that the LA66 LoRa Shield successfully entered the network
393 393  
222 +[[image:image-20220602154928-5.png]]
394 394  
395 -**Part Number:**   (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%)
224 +send instructions: AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>
396 396  
226 +example: AT+SENDB=01,02,8,05820802581ea0a5
397 397  
398 -(% style="color:blue" %)**XXX**(%%): The default frequency band
228 +[[image:image-20220602160339-6.png]]
399 399  
400 -* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
401 -* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
402 -* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
403 -* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
404 -* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
405 -* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
406 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
407 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
408 -* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
230 +Check to see if TTN received the message
409 409  
232 +[[image:image-20220602160627-7.png||height="468" width="1013"]]
410 410  
234 +=== Install Minicom ===
411 411  
412 -= 4.  Reference =
236 +Enter the following command in the RPI terminal
413 413  
238 +apt update
414 414  
415 -* Hardware Design File for LA66 LoRaWAN Shield : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
240 +[[image:image-20220602143155-1.png]]
416 416  
242 +apt install minicom
417 417  
244 +[[image:image-20220602143744-2.png]]
418 418  
419 -= 5.  FCC Statement =
246 +=== Send PC's CPU/RAM usage to TTN via script. ===
420 420  
248 +==== Take python as an example： ====
421 421  
422 -(% style="color:red" %)**FCC Caution:**
250 +===== Preconditions: =====
423 423  
424 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
252 +1.LA66 USB LoRaWAN Adapter works fine
425 425  
426 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
254 +2.LA66 USB LoRaWAN Adapter  is registered with TTN
427 427  
256 +===== Steps for usage =====
428 428  
429 -(% style="color:red" %)**IMPORTANT NOTE: **
258 +1.Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
430 430  
431 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
260 +2.Run the script and see the TTN
432 432  
433 -—Reorient or relocate the receiving antenna.
262 +[[image:image-20220602115852-3.png]]
434 434  
435 -—Increase the separation between the equipment and receiver.
436 436  
437 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
438 438  
439 -—Consult the dealer or an experienced radio/TV technician for help.
266 +== Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
440 440  
441 441  
442 -(% style="color:red" %)**FCC Radiation Exposure Statement: **
269 +== Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
443 443  
444 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 
271 +
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